Matrix-roaster.



H. A. W. WOOD. MATRIX ROASTER.

APPLICATION FILED 5a. 10, 1908. v 1 ,1 62,672. Patented Nov. 30, I915.

Application filed February 10, 1908.

To all whom it may concern:

Be it known that I, HENRY A. VVISE Woon, a citizen of the United States, residing at New York, in the county of New York and State of New York, have invented a new and useful Matrix-Roaster, of which the following is aspecificati'on.

This invention relates to an apparatus for, and-method of, roasting stereotypers papier mach matrices.

At the present time matrices, have been baked preliminarily with the form, are removed and roaster,

in contact put into a for the purpose of completlng the roasting. These, and all other drying r roasting now in use require separate pieces of apparatus, such as a rotary gas heated roaster, heated table, or the like and these take up space and consume fuel, and in fact some of them require power.

oreover, no such devices can bring the temperature of the matrix to that of the molten metal which is to be cast against the matrix so that when the matrix afterward is used, steam will not be generated.

The principal object of the present invention is to provide for bringing the matrix up precisely to the temperature of the metal whic is going to be used in casting from it, without employing any additional apparatus which takes up floor space, extra fuel or power; also to provide a convenient arrangement by which the matrix is brought Fig. 3 is an elevation of a hook employed after they MATRIX-ROASTER.

Specification of Letters Patent.

Patented Nov. 30. 1915. Serial No. 415,264.

for transferring and removing the matrices, and Fig. 4 is a, sectional View showing a modification. p I .In order to accomplish the above mentioned results according to this invention,

the matrices are removed from the form and he stereotype by lntroducing them into the body thereof, but out of direct contact therewith. In this way they are heated by heat from the body of molten metal and. thus are brought exactly to the proper temperature.

Referring now to the drawings, it will be seen that the invention is shown as applied to an ordinary form of melting pot in which is located a receptacle 11 for receiving the matrices. This receptacle may located at the side ready escape into the outer air above the metal in the melting In order to fasten the receptacle to the side of the melting pot, the former is provided with an angular lip 12 which can be bolted to the flange on the melting pot as indicated. It is also shown as provided with ribs 13 on both sides, these ribs preferably intersecting each other, so that the receptacle may be made'of comparatively light 0t. By inclining the receptacle in this way, the bottom of it is located comparatively near the flame or other source of heat by which the metal is heated.

In order to manipulate the matrix in a convenient and simple manner, a hook is preferably used comprising a body-portion will be obvious.

orbar 15 having an angular projection 16 at the top and on one side to which the handle 17 is connected, and provided with a pair of diverging legs 18, at the bottom, on the side .of which, opposite to that on which the handle is located, are hook-shaped supports 19 on which the bottom adapted to rest. It will be noted that the matrix rests against the flat surface of the bar 15 when supported by In this way the matrix may be handled with one hand in a very simple manner, and introduced into and drawn from the receptacle without any special care or any guiding arrangement.

The way in which the apparatus is used As it is desirable that the matrix be dried in part in contact with the type and the drying completed after it-is taken from it, itis left in contact with the form for a short time only, and is then ap plied to the hook and transferred .to the receptacle 11, where it speedily reaches the temperature of the molten metal, and is thoroughly dried. When the matrix is removed it is obvious that it is in such condition that when placed in the mold and the molten metal is brought against it, it will not be raised to any higher temperature than it has already reached. Consequently steam, which is injurious to the casting, will not be enerated.

While I have illustrated and described a preferred embodiment of the invention, I am aware that many modifications may be made therein by any person skilled in the art without departing from the scope of the invention as expressed in the claims. I do not wish therefore to be limited to the details of construction shown and described, but

of the matrix is the supports 19.

What I do claim is:

1. An apparatus for roasting stereotype matrices comprising a melting pot for the stereotype metal to be cast against the matrices having a permanent cle therein for receiving matrices.

2. The combination with a melting pot, ofa receptacle for matrices located therein, in inclined position and secured to the edge of the pot.

3. The method of roasting a stereotype matrix suitable formaking a cast from a metal which consists in introducing it edge foremost below the surface of abody of that metal in a molten condition and leaving it there until dried. p i 1. The method of roasting a stereotype matrix which consists in introducing it into a body of-molten stereotype metal but out of direct contact therewith.

5. The method of roasting stereotype matrices which consists in preliminarily drying them on the form and thereafter substantially surrounding them by a body of molten metal of the kind which is to be cast on the matrix.

6. The method of roasting stereotype matrices which consists in removing them from the form and subjecting them to the temperature of casting, by introducing them from above under the surface of a body of molten metal from which the cast is to be made.

In testimony whereof I have hereunto set my hand, in the presence of two subscribing witnesses.

H. A. WISE WOOD.

Witnesses:

MARY E. MGCODDEN, ANNIE B. WALTERS. 

